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betaine

Posted: Sat May 15, 2010 9:23 pm
by ste
Is there anyone who knows how to determine monochloroacetic acid in betaine by hplc?

Posted: Mon May 17, 2010 2:41 pm
by Bryan Evans
Below are applications for halo acetic acids:

NP / RP: http://www.imtaktusa.com/site_media/fil ... TI383E.pdf
RP: http://www.imtaktusa.com/site_media/fil ... TI239E.pdf
LC-MS: http://www.imtaktusa.com/site_media/fil ... I248E_.pdf

The LC-MS application uses Unison UK-C18. It's a challenging application, but I know some
customers here in the U.S. are using this method and are happy with it.